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Transmission opportunity operation of uplink multi-user multiple-input-multiple-output communication in wireless networks

  • US 9,419,752 B2
  • Filed: 09/10/2013
  • Issued: 08/16/2016
  • Est. Priority Date: 03/15/2013
  • Status: Expired due to Fees
First Claim
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1. A method of wireless communication, comprising:

  • a wireless station obtaining a transmission opportunity (TXOP) period for communicating with a wireless access point (AP) over a wireless communication channel;

    the wireless station sending an announcement to the wireless AP to share the TXOP period with at least another wireless station, as a multi-user TXOP period for simultaneously transmitting data from the wireless station and the at least another wireless station to the wireless AP on multiple uplink (UL) spatial streams over the wireless channel;

    receiving a UL transmission indication (UTI) frame by the wireless station along with addresses of target wireless stations allowed to transmit to the wireless AP in a UL phase and allowed UL transmission time for each target wireless station; and

    communicating UL transmission information in at least one indication included in a quality of service (QoS) data frame and a frame header.

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